The northern lights were visible across a large swath of the United States on Tuesday night, including here in the Delaware Valley, thanks to a severe geomagnetic storm that hit the Earth's magnetic field.

A G4 (severe) geomagnetic storm watch remains in effect on Wednesday. According to the National Oceanic and Atmospheric Association (NOAA), the northern lights could be visible across the northern half of the country and even as far south and west as Alabama and California.

Northern lights forecast, Nov. 12, 2025 CBS Philadelphia

Locally, NEXT Weather meteorologist Kate Bilo says the geomagnetic storm's intensity will be slightly lower tonight, so the best viewing conditions will be farther north and closer to the Poconos. It's possible we could see the lights closer to the

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